george clooney, derek jeter? oprah? how about the cookie monster? >> now what starts with the letter c? >> reporter: well, charisma. what else? so what about you? do you think you have charisma? wouldn't we all like to believe that we just radiate magnetic charm all the time? well, here at m.i.t.'s media lab researchers say with this little device, they actually can use science to measure your charisma. assuming, of course, that you have some to measure. okay. so i'm wearing this thing. this is going to tell me how charismatic i am? >> it's going to tell me about how you move and how you speak. >> reporter: i better start moving more. >> well, you could decide to do that, yeah. >> reporter: it's called the socio-meter, the brain child of this professor and his team at m.i.t., it measures not what you say but how you say it. >> the first thing is energy. you have to be energetic. it shows up in the hands and the voice and the way you sort of carry yourself and do things. >> reporter: you talk with your hands a lot. is that a conscious. >> if i want t